20 void *futex;  variable
42 	if (futex_wait(futex, 0, &to, flags))  in waiterfn()
56 	futex = &f_private;  in main()
80 	info("Calling private futex_wait on futex: %p\n", futex);  in main()
86 	info("Calling private futex_wake on futex: %p\n", futex);  in main()
87 	res = futex_wake(futex, 1, FUTEX_PRIVATE_FLAG);  in main()
106 	futex = shared_data;  in main()
108 	info("Calling shared (page anon) futex_wait on futex: %p\n", futex);  in main()
114 	info("Calling shared (page anon) futex_wake on futex: %p\n", futex);  in main()
115 	res = futex_wake(futex, 1, 0);  in main()
145 	futex = shm;  in main()
147 	info("Calling shared (file backed) futex_wait on futex: %p\n", futex);  in main()
153 	info("Calling shared (file backed) futex_wake on futex: %p\n", futex);  in main()